CN110022075A - A kind of charging management system and method based on multi-mode rectifier - Google Patents
A kind of charging management system and method based on multi-mode rectifier Download PDFInfo
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- CN110022075A CN110022075A CN201910211369.XA CN201910211369A CN110022075A CN 110022075 A CN110022075 A CN 110022075A CN 201910211369 A CN201910211369 A CN 201910211369A CN 110022075 A CN110022075 A CN 110022075A
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- 238000007600 charging Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title description 4
- 238000007726 management method Methods 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010277 constant-current charging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
-
- H02J2007/10—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Rectifiers (AREA)
Abstract
The present invention provides a kind of multi-mode rectifiers, it include: the first phase controlled rectifier, second phase controlled rectifier, third phase controlled rectifier, 4th phase controlled rectifier, switch module and inductance, further include: the first switching switch and the second switching switch, the both ends of first switching switch are connected to the first end of the first phase controlled rectifier and the first end of third phase controlled rectifier respectively, the both ends of second switching switch are connected to the second end of the second phase controlled rectifier and the second end of the 4th phase controlled rectifier respectively, the first end of first phase controlled rectifier connects the anode with load by inductance, second end of the 4th phase controlled rectifier is connected to the cathode of load.Based on the present invention by increasing by two switching switches, to increase the operating mode of phase controlled rectifier, side harmonics electric current content can be greatly reduced in newly-increased operating mode, while widening output voltage range, DC-DC pressure regulation link is omitted, different loads is adapted in big voltage range.
Description
Technical field
The present invention relates to electric car field, in particular to a kind of charging management system and side based on multi-mode rectifier
Method
Background technique
In order to inhibit rectifier harmonic pollution caused by power grid and power factor problem, can be rectified using PWM or more
Pulse wave rectifier technology, for multi-pulse rectification technology, existing variable topological multi phase rectifier is set about from harmonic source, by changing
Making power electronic equipment declines its harmonic wave, it includes two or more thyristor rectifier bridges, and input voltage has specific
Phase difference.The sinusoidal voltage of different electrical angles is overlapped mutually, the input sinusoidal voltage grade of different amplitudes is formed, according to difference
Loading condition input voltage is selected, meet the minimum voltage input in the case of load running, make the triggering of thyristor
Angle is small as far as possible, to obtain higher power factor and harmonic suppression effect；
Existing variable topological multi phase rectifier is as shown in Figure 1 comprising four phase controlled rectifiers and is opened by 3 switchings
Close and 6 diodes composition switch module, by increase output voltage/electric current pulse number come improve net side power factor,
Inhibit harmonic current, only series connection and two kinds of operating modes in parallel, when input and output voltage ratio is larger, the triggering of thyristor
Angle is larger, and harmonic pollution is serious.Therefore, in the case where input voltage is constant, the range of output voltage will be restricted, only
The variable topological rectifier limited capacity of two kinds of operating modes, it is difficult to adapt to loading demand.
Summary of the invention
The invention discloses a kind of multi-mode rectifiers, by increasing by two switching switches, to increase multi-pulse rectification
The operating mode of device, side harmonics electric current content can be greatly reduced in newly-increased operating mode, while widening output voltage range,
Different loads is adapted in big voltage range.
A kind of multi-mode rectifier, comprising: the first phase controlled rectifier, the second phase controlled rectifier, third phase controlled rectifier,
Four phase controlled rectifiers, switch module and inductance further include: the first switching switch and the second switching switch, first switching
The both ends of switch are connected to the first end of first phase controlled rectifier and the first end of the third phase controlled rectifier respectively, described
The both ends of second switching switch be connected to respectively second phase controlled rectifier second end and the 4th phase controlled rectifier the
The first end at two ends, first phase controlled rectifier connects the anode with load, the 4th phase controlled rectifier by the inductance
The second end be connected to the cathode of load.
Preferably, the switch module includes: that third switches switch, the 4th switching switchs, the 5th switching switchs, the 6th cuts
Change switch, the 7th switching switch, the 8th switching switch, the 9th switching switch, the tenth switching switch, the 11st switching switch；
Third switching switch is switched with the 8th switching connect after and at the both ends of second phase controlled rectifier,
The 4th switching switch is switched with the 7th switching connect after and at the both ends of the third phase controlled rectifier, the described 5th
After switching switch and the 6th switching switch series connection and at the both ends of the 4th phase controlled rectifier, the 11st switching is opened
The both ends of pass are connected to the first end of first phase controlled rectifier and the first end of second phase controlled rectifier respectively, and described
The both ends of ten switching switches connect first with the first end of second phase controlled rectifier and the third phase controlled rectifier respectively
End, it is described 9th switching switch both ends be connected to respectively the third phase controlled rectifier first end and the 4th phase control rectifier
The first end of device.
It preferably, further include power supply, the output end of the power supply and first phase controlled rectifier, the second phase control rectifier
Device, third phase controlled rectifier, the 4th phase controlled rectifier are connected.
A kind of battery charging management system, which is characterized in that including multi-mode rectifier, three described in any one as above
Phase AC power source, three isolate phase-shifting transformer, battery modules and battery management module；
The primary side that the three-phase alternating-current supply isolates phase-shifting transformer with described three is connected, and described three isolate phase shift
The secondary side of transformer is connected with the multi-mode rectifier, and the multi-mode rectifier is connected with the battery modules, described
Battery management module isolates phase-shifting transformer with the multi-mode rectifier, battery modules and three and is connected.
Preferably, the battery management module includes: dsp controller and driving and protection circuit；
The output end of the dsp controller with it is described driving and protection circuit be connected, the input terminal of the dsp controller and
Described three, which isolate the secondary side of phase-shifting transformer and the battery modules, is connected.
Preferably, the dsp controller includes: load detecting module and power detection module；
The load detecting module is connected with the battery modules, and the power detection module and described three isolates phase shift
Transformer is connected.
A kind of charging management method based on charging management system as described above, comprising:
The load detecting module obtains the size of the battery modules voltage, and according to the big of the battery modules voltage
The small corresponding electric signal of output is to driving and protects circuit；
The driving and protection circuit receive the electric signal of the dsp controller, and cut-off corresponding switching switch, so that
The multi-mode rectifier switches to corresponding operating mode；
The dsp controller executes current predictive algorithm according to the corresponding operating mode, to the battery mould
Group carries out constant-current charge.
Preferably, the current predictive algorithm are as follows:
Wherein, ILFor inductive current, ULFor inductive drop, L is the value of inductance.
Preferably, the operating mode is equipped with mixed mode, when switching to the mixed mode, first and second described phase
It is in parallel after connecting after control rectifier series connection with the third and the 4th phase controlled rectifier.
Based on the invention discloses a kind of multi-mode rectifier, switched by increasing by two switchings, to increase phased whole
The operating mode of device is flowed, side harmonics electric current content can be greatly reduced in newly-increased operating mode, while widening output voltage range,
DC-DC pressure regulation link is omitted, the efficiency of transmission of energy is improved, different loads is adapted in big voltage range, is controlled by DSP
Load detecting module on device obtains the voltage of battery modules, and then switches to corresponding operating mode, passes through average value
The Multi-section constant current charging strategy of predictive current control replaces traditional PI to control, load current quick response.
Detailed description of the invention
Fig. 1 is existing variable topological multi phase rectifier；
Fig. 2 is a kind of wiring schematic diagram of multi-mode rectifier of first embodiment of the invention；
Fig. 3 is a kind of structural schematic diagram of battery charging management system of second embodiment of the invention；
Fig. 4 is a kind of charging management method flow diagram of third embodiment of the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
It elaborates below in conjunction with attached drawing to specific embodiments of the present invention.
The invention discloses a kind of multi-mode rectifiers, by increasing by two switching switches, to increase multi-pulse rectification
The operating mode of device, side harmonics electric current content can be greatly reduced in newly-increased operating mode, while widening output voltage range,
Different loads is adapted in big voltage range.
Referring to Fig. 2, a kind of multi-mode rectifier, comprising: the first phase controlled rectifier P1, the second phase controlled rectifier P2,
Three phase controlled rectifier P3, the 4th phase controlled rectifier P4, switch module and inductance Ld, further includes: first switching switch S1 and
The both ends of second switching switch S2, the first switching switch S1 are connected to the first end and third of the first phase controlled rectifier P1 respectively
The both ends of the first end of phase controlled rectifier P3, the second switching switch S2 are connected to the second end of the second phase controlled rectifier P2 respectively
Pass through inductance L with the first end of the second end of the 4th phase controlled rectifier P4, the first phase controlled rectifier P1dThe anode with load is connect,
The second end of 4th phase controlled rectifier P4 is connected to the cathode of load.
Wherein, on first to fourth phase controlled rectifier, increase by two switching switches, it is whole to obtain a kind of new variable topological
Stream so that the connection type of first to fourth phase controlled rectifier increases, and first, second phase controlled rectifier connect after with institute
Stating third, the 4th phase controlled rectifier connection type in parallel after connecting is greatly reduced side harmonics electric current content, opens up simultaneously
Wide output voltage range, omits DC-DC pressure regulation link, improves the efficiency of transmission of energy, adapt in big voltage range different
Load.
Preferably, the switch module include: third switching switch S3, the 4th switching switch S4, the 5th switch switch S5,
6th switching switch S6, the 7th switching switch S7, the 8th switching switch S8, the 9th switch switch S9, the tenth switch switch S10,
11st switching switch S11；
After the third switching switch S3 connects with the 8th switching switch S8 and in the second phase controlled rectifier P2
Both ends, it is described 4th switching switch S4 with it is described 7th switches switch S7 connect after and the third phase controlled rectifier P3's
After both ends, the 5th switching switch S5 and the 6th switching switch S6 series connection and the two of the 4th phase controlled rectifier P4
The both ends at end, the 11st switching switch S11 are connected to the first end and described second of the first phase controlled rectifier P1 respectively
The both ends of the first end of phase controlled rectifier P2, the tenth switching switch S10 are connect respectively with the second phase controlled rectifier P2's
The both ends of the first end of first end and the third phase controlled rectifier P3, the 9th switching switch S9 are connected to the third respectively
The first end of the first end of phase controlled rectifier P3 and the 4th phase controlled rectifier P4.
Corresponding above-mentioned connection type, 0 disconnects for switch, and 1 is closes the switch, when S1, S2, S3, S4, S5 be 0 state and
When S6, S7, S8, S9, S10, S11 are 1 state, the multi-mode rectifier is switched to 24 pulse wave modes in parallel, i.e., described first to
Rectification is exported to the battery modules after 4th phase controlled rectifier is in parallel；
When S1, S2, S6, S7, S8, S9, S10, S11 are 0 state and S3, S4, S5 are 1 state, the multi-mode rectification
Device is switched to 24 pulse wave modes of series connection, i.e., rectification is exported to the battery modules after the described first to fourth phase controlled rectifier series connection；
When S4, S6, S7, S8, S9, S10, S11 are 0 state and S1, S2, S3, S5 are 1 state, the multi-mode rectification
Device is switched to 24 pulse wave modes of mixing, i.e., after first, second phase controlled rectifier series connection with second, third described phase controlled rectifier
Rectification is exported to the battery modules after parallel connection；
When S1, S4, S6, S7, S8, S9, S10, S11 are 0 state and S2, S3, S5 are 1 state or S2, S4, S6,
When S7, S8, S9, S10, S11 are 0 state and S1, S3, S5 are 1 state, the multi-mode rectifier is switched to 12 pulse wave moulds of series connection
Formula rectifies output extremely after that is, described first, second phase controlled rectifier series connection or after the third, the series connection of the 4th phase controlled rectifier
The battery modules；
When S1, S2, S3, S4, S5, S9, S10 are 0 state and S11, S6, S7, S8 are 1 state or S1, S2, S3,
When S4, S5, S7, S8 are 0 state and S6, S9, S10, S11 are 1 state, the mode rectifier is switched to 12 pulse wave modes in parallel,
Output is rectified after i.e. described first, second phase controlled rectifier is in parallel or after the third, the 4th phase controlled rectifier are in parallel to institute
State battery modules.
It preferably, further include power supply, the output end of the power supply and the first phase controlled rectifier P1, the second phase control rectifier
Device P2, third phase controlled rectifier P3, the 4th phase controlled rectifier P4 are connected.
In the present embodiment, first to fourth phase controlled rectifier is correspondingly connected with using four groups of phase shift power supplys, and the power supply can
Being generated by three-phase isolation transformer.
Referring to Fig. 3, a kind of battery charging management system, which is characterized in that including multimode described in any one as above
Formula rectifier 2, three-phase alternating-current supply 1, three isolate phase-shifting transformer T, battery modules E and battery management module；
The primary side that the three-phase alternating-current supply 1 isolates transformation phase-shifting transformer T with described three is connected, and described three are separated by
Secondary side from transformation phase-shifting transformer T is connected 2 with the multi-mode rectifier, the multi-mode rectifier 2 and the battery
Mould group E is connected, and the battery management module and the multi-mode rectifier 2, battery modules E and three isolate transformation phase shift transformation
Device T-phase connects.
Preferably, the battery management module includes: dsp controller 4 and driving and protection circuit 3；
The output end of the dsp controller 4 is connected with the driving and protection circuit 3, the input of the dsp controller 4
The secondary side for isolating phase-shifting transformer T with described three and the battery modules E is held to be connected.
Wherein, the Drive Protecting Circuit 3 is used to receive the electric signal of the dsp controller, and drives corresponding switching
Switch disconnects or closure.
Preferably, the dsp controller 4 includes: load detecting module 6 and power detection module 5；
The load detecting module 5 is connected with the battery modules E, and the power detection module 6 is isolated with described three
Phase-shifting transformer T-phase connects.
Wherein, the power detection module is for sampling the described three Current Voltage situations for isolating phase-shifting transformer T, institute
Load detecting module 6 is stated for detecting voltage, current conditions and the temperature conditions of the battery modules E, and feeds back to the DSP
Controller 4, the dsp controller 4 export corresponding electric signal to the driving and protection according to the situation of the battery modules E
Circuit 3 drives the multi-mode rectifier 2 to switch to corresponding operating mode.
Referring to Fig. 4, a kind of charging management method based on charging management system as described above, comprising:
S101, the load detecting module obtain the size of the battery modules voltage, and according to the battery modules electricity
The size of pressure exports corresponding electric signal to driving and protection circuit；
S102, the driving and protection circuit receive the electric signal of the dsp controller, and cut-off corresponding switching and open
It closes, so that the multi-mode rectifier switches to corresponding operating mode；
S103, the dsp controller executes current predictive algorithm according to the corresponding operating mode, to the electricity
Chi Mo group carries out constant-current charge.
Preferably, the current predictive algorithm are as follows:
Wherein, ILFor inductive current, ULFor inductive drop, L is the value of inductance.
Preferably, the operating mode is equipped with mixed mode, when switching to the mixed mode, first and second described phase
It is in parallel after connecting after control rectifier series connection with the third and the 4th phase controlled rectifier.
Based on the invention discloses a kind of multi-mode rectifier, switched by increasing by two switchings, to increase phased whole
The operating mode of device is flowed, side harmonics electric current content can be greatly reduced in newly-increased operating mode, while widening output voltage range,
DC-DC pressure regulation link is omitted, the efficiency of transmission of energy is improved, different loads is adapted in big voltage range, is controlled by DSP
Load detecting module on device obtains the voltage of battery modules, and then switches to corresponding operating mode, passes through average value
The Multi-section constant current charging strategy of predictive current control replaces traditional PI to control, load current quick response.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of multi-mode rectifier, comprising: the first phase controlled rectifier, the second phase controlled rectifier, third phase controlled rectifier, the 4th
Phase controlled rectifier, switch module and inductance, which is characterized in that further include: the first switching switch and the second switching switch, institute
State the first switching switch both ends be connected to respectively first phase controlled rectifier first end and the third phase controlled rectifier
First end, the both ends of the second switching switch are connected to the second end of second phase controlled rectifier and the described 4th phased respectively
The second end of rectifier, the anode that the first end of first phase controlled rectifier is connect and loaded by the inductance, the described 4th
Second end of phase controlled rectifier is connected to the cathode of load.
2. a kind of multi-mode rectifier according to claim 1, which is characterized in that the switch module includes: that third is cut
Change switch, the 4th switching switch, the 5th switching switch, the 6th switching switch, the 7th switching switch, the 8th switching switch, the 9th
Switching switch, the tenth switching switch, the 11st switching switch；
Third switching switch is switched with the 8th switching connect after and at the both ends of second phase controlled rectifier, it is described
After 4th switching switch is connected with the 7th switching switch and in the both ends of the third phase controlled rectifier, the 5th switching
Switch switch after switch and the 6th switching switch series connection and at the both ends of the 4th phase controlled rectifier, the described 11st
Both ends are connected to the first end of first phase controlled rectifier and the first end of second phase controlled rectifier respectively, and the described tenth cuts
The both ends for changing switch meet first end with the first end of second phase controlled rectifier and the third phase controlled rectifier, institute respectively
State the 9th switching switch both ends be connected to respectively the third phase controlled rectifier first end and the 4th phase controlled rectifier
First end.
3. a kind of multi-mode rectifier according to claim 1, which is characterized in that further include power supply, the power supply it is defeated
Outlet is connected with first phase controlled rectifier, the second phase controlled rectifier, third phase controlled rectifier, the 4th phase controlled rectifier.
4. a kind of battery charging management system, which is characterized in that including the multi-mode as described in claims 1 to 3 any one
Rectifier, three-phase alternating-current supply, three isolate phase-shifting transformer, battery modules and battery management module；
The primary side that the three-phase alternating-current supply isolates phase-shifting transformer with described three is connected, and described three isolate phase shift transformation
The secondary side of device is connected with the multi-mode rectifier, and the multi-mode rectifier is connected with the battery modules, the battery
Management module isolates phase-shifting transformer with the multi-mode rectifier, battery modules and three and is connected.
5. a kind of battery charging management system according to claim 4, which is characterized in that the battery management module packet
It includes: dsp controller and driving and protection circuit；
The output end of the dsp controller with it is described driving and protection circuit be connected, the input terminal of the dsp controller with it is described
Three, which isolate the secondary side of phase-shifting transformer and the battery modules, is connected.
6. a kind of battery charging management system according to claim 5, which is characterized in that the dsp controller includes: negative
Carry detection module and power detection module；
The load detecting module is connected with the battery modules, and the power detection module and described three isolates phase shift transformation
Device is connected.
7. a kind of based on a kind of charging management method of charging management system as claimed in claim 6 characterized by comprising
The load detecting module obtains the size of the battery modules voltage, and defeated according to the size of the battery modules voltage
Corresponding electric signal to driving and protects circuit out；
The driving and protection circuit receive the electric signal of the dsp controller, and cut-off corresponding switching switch, so that described
Multi-mode rectifier switches to corresponding operating mode；
The dsp controller executes current predictive algorithm according to the corresponding operating mode, to the battery modules into
Row constant-current charge.
8. a kind of charging management method according to claim 7, which is characterized in that the current predictive algorithm are as follows:
Wherein, ILFor inductive current, ULFor inductive drop, L is the value of inductance.
9. a kind of charging management method according to claim 7, which is characterized in that the operating mode is equipped with hybrid guided mode
Formula, it is phased whole with the third and the 4th after first and second phase controlled rectifier series connection when switching to the mixed mode
It flows in parallel after device is connected.
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Cited By (1)
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| CN110022075B (en) | 2020-01-21 |
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